package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@Slf4j
@RequestMapping("/admin/dish")
@Api(tags = "B端-菜品相关接口")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 清理缓存的方法
     * @param pattern
     */
    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

    /**
     * 新增菜品
     *有增删改需要清理缓存
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    @CacheEvict(cacheNames = "damin",key ="#dishDTO.getCategoryId()") //清理缓存
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品:{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理缓存
       /* String key = "dish::" + dishDTO.getCategoryId();
        cleanCache(key);*/

        return Result.success();
    }


    /**
     * 分页查询
     *
     * @param DishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("分页查询")
    public Result<PageResult> page(DishPageQueryDTO DishPageQueryDTO) {
        log.info("分页查询:{}", DishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(DishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 菜品批量删除
     *有增删改需要清理缓存
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    @CacheEvict(cacheNames = "admin" ,allEntries = true)
    public Result delete(@RequestParam List<Long> ids) {
        log.info("菜品批量删除:{}", ids);
        dishService.deleteBatch(ids);
          //将所有菜品缓存数据清理掉
       //cleanCache("dish::*");
        return Result.success();
    }

    /**
     * 根据id查询菜品
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> selectById(@PathVariable Long id) {
        log.info("根据id查询菜品:{}", id);
        DishVO dishVO = dishService.selectById(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     *有增删改需要清理缓存
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    @CacheEvict(cacheNames = "adminCache",allEntries = true )
    public Result updateWithFlavor(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品:{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);
        //将所有菜品缓存数据清理掉
      //  cleanCache("dish::*");
        return Result.success();
    }

    /**
     * 修改菜品售卖状态
     *有增删改需要清理缓存
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("修改菜品售卖状态")
    @CacheEvict(cacheNames = "admin",allEntries = true)
    public Result updateStatusById(@PathVariable Integer status, Long id) {
        log.info("修改菜品售卖状态:{},{}", status, id);
        dishService.updateStatusById(status, id);
        //将所有菜品缓存数据清理掉
     //   cleanCache("dish::*");
        return Result.success();
    }


    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<DishVO>> selectBycategoryId(@RequestParam("categoryId") Long categoryId) {
        log.info("根据分类id查询菜品:{}", categoryId);
        List<DishVO> dishVOS = dishService.selectBycategoryId(categoryId);

        return Result.success(dishVOS);
    }
}
